Tier 1/Program 

Environmental Impact 

Statement/Environmental 

Impact Report 

Coachella Valley-San Gorgonio Pass Rail Corridor 

Service Program

May 2021
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Coachella Valley-San Gorgonio Pass Rail Corridor Service Program 

Draft Tier 1/Program Environmental Impact Statement/Environmental Impact Report 

Pursuant to: 

National Environmental Policy Act (42 USC 4321 et seq); Federal Railroad Administration Procedures for 

Considering Environmental Impacts (64 FR 28545, May 26, 1999); Council on Environmental Quality’s 

Regulations Implementing NEPA (40 CFR Parts 1500-1508); National Historic Preservation Act (54 USC 

300101 et seq.); Clean Air Act as amended (42 USC 7401 et seq. and 40 CFR Parts 51 and 93); the 

Endangered Species Act of 1973 (16 USC 1531-1544); and the Clean Water Act (33 USC 1251-1387); 

California Environmental Quality Act (PRC 21000 et seq); and State of California CEQA Guidelines 

Prepared by the: 

Federal Railroad Administration 

California Department of Transportation Division of Rail and Mass Transportation 

and the 

Riverside County Transportation Commission 

Paul Nissenbaum 

Associate Administrator, Office of Railroad Policy & Development 

Federal Railroad Administration 

 Date 

Kyle Gradinger 

Chief 

California Department of Transportation Division of Rail and Mass Transportation

 Date 

Anne Mayer 

Executive Director 

Riverside County Transportation Commission 

 Date 

The following individuals may be contact for additional information concerning this document: 

Amanda Ciampolillo 

Environmental Protection 

Specialist 

Federal Railroad Administration 

1200 New Jersey Avenue SE, 

W36-444 

Washington, D.C. 20590 

Andrew Cook 

Office of Planning and 

Operations Chief 

Caltrans Division of Rail and 

Mass Transportation 

1120 N Street 

Sacramento, CA 95814 

Sheldon Peterson 

Rail Manager 

Riverside County Transportation 

Commission 

4080 Lemon Street 

Riverside, CA 92501 

Abstract: This document considers, describes, and summarizes the environmental impacts associated with the 

development of a passenger rail system to provide an alternative travel mode that would reduce travel times and 

improve service reliability between Los Angeles and the Coachella Valley by providing intercity and commuter rail 

service. The Draft Tier 1/Program EIS/EIR evaluates the potential effects of a passenger rail system within the Program 

Corridor on land use and planning, transportation, visual quality and aesthetics, air quality and greenhouse gases, 

noise and vibration, jurisdictional waters and wetland resources, biological resources, floodplains and water quality, 

geological and paleontological resources, hazards and hazardous materials, public utilities and energy, cultural 

resources, parklands and community services, safety and security, socioeconomic conditions, environmental justice, 

and Section 4(f)/Section 6(f) resources.

Kyle Gradinger 

Chi f

Federal Railroad Administration 

April 28, 2021

April 27, 2021

The following individuals may be contacted for additional information concerning this document:

RPD-210506-001

May 13, 2021
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Table of Contents

ES.1 Executive Summary ....................................................................................................................ES-1

ES.1.1 Purpose and Need ...........................................................................................................ES-2

ES.1.2 Program History and Prior Planning Activities .................................................................ES-3

ES.1.3 Program Overview............................................................................................................ES-3

ES.1.4 Alternatives Considered ...................................................................................................ES-4

ES.1.4.1 No Build Alternative...........................................................................................ES-11

ES.1.4.2 Build Alternative Option 1 (Coachella Terminus)..............................................ES-11

ES.1.4.3 Build Alternative Option 2 (Indio Terminus) ......................................................ES-14

ES.1.4.4 Build Alternative Option 3 (Indio Terminus with Limited Third Track)...............ES-15

ES.1.4.5 Recommended Preferred Alternative................................................................ES-16

ES.1.5 Summary of Effects ........................................................................................................ES-16

ES.1.6 Avoidance, Minimization, and Mitigation Strategies.......................................................ES-27

ES.1.7 Public Review of Tier 1/Program Draft EIS/EIR.............................................................ES-27

ES.1.7.1 Document Availability........................................................................................ES-27

ES.1.7.2 Providing Comments on the Tier 1/Program Draft EIS/EIR..............................ES-29

ES.1.7.3 Public Hearings .................................................................................................ES-29

1 Program Purpose and Need..........................................................................................................1-1

1.1 Introduction and Lead Agencies.............................................................................................1-1

1.1.1 Cooperating and Participating Agencies................................................................1-2

1.2 Intended Uses of the Tier 1/Program EIS/EIR .......................................................................1-2

1.3 Organization of the Tier 1/Program EIS/EIR ..........................................................................1-2

1.4 Program Background, Location, and Overview......................................................................1-3

1.4.1 Program Background .............................................................................................1-3

1.4.2 Program Location and Alternatives Analysis Study Area.......................................1-4

1.4.3 Program Overview..................................................................................................1-7

1.5 Program Purpose and Objectives ..........................................................................................1-7

1.6 Program Need ........................................................................................................................1-8

1.6.1 Limited and Constrained Travel Options................................................................1-9

1.6.2 Regional Population and Employment Growth ....................................................1-27

1.6.3 Disadvantaged Communities ...............................................................................1-29

2 Program Alternatives.....................................................................................................................2-1

2.1 Alternatives Selection Process...............................................................................................2-1

2.1.1 2016 Alternatives Analysis Report Screening and Selection Process...................2-1

2.1.2 Scoping Comments Received Regarding Alternatives ........................................2-14

2.2 CEQA Proposed Program ....................................................................................................2-14

2.3 Alternatives Definition...........................................................................................................2-14

2.3.1 No Build Alternative..............................................................................................2-15

2.3.2 Build Alternative Options 1, 2, and 3....................................................................2-26

3 Environmental Analysis, Consequences, and Mitigation ..........................................................3-1

3.1 Introduction to Environmental Analysis ...............................................................................3.1-1

3.1.1 Environmental Topics Included in the Analysis...................................................3.1-1

3.1.2 Environmental Topics Not Included in the Evaluation.........................................3.1-2

3.1.3 Format and Content Used in the Evaluation .......................................................3.1-2

3.2 Land Use and Planning .......................................................................................................3.2-1

3.2.1 Introduction..........................................................................................................3.2-1
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3.2.2 Regulatory Framework........................................................................................3.2-1

3.2.3 Methods for Evaluating Environmental Effects ...................................................3.2-4

3.2.4 Affected Environment..........................................................................................3.2-6

3.2.5 Environmental Consequences ..........................................................................3.2-25

3.2.6 NEPA Summary of Potential Effects.................................................................3.2-31

3.2.7 CEQA Summary of Potential Impacts...............................................................3.2-35

3.2.8 Avoidance, Minimization, and Mitigation Strategies..........................................3.2-47

3.3 Transportation .....................................................................................................................3.3-1

3.3.1 Introduction..........................................................................................................3.3-1

3.3.2 Regulatory Framework........................................................................................3.3-1

3.3.3 Methods for Evaluating Environmental Effects ...................................................3.3-3

3.3.4 Affected Environment..........................................................................................3.3-9

3.3.5 Environmental Consequences ..........................................................................3.3-25

3.3.6 NEPA Summary of Potential Effects.................................................................3.3-50

3.3.7 CEQA Summary of Potential Impacts...............................................................3.3-57

3.3.8 Avoidance, Minimization, and Mitigation Strategies..........................................3.3-65

3.4 Visual and Aesthetic Resources..........................................................................................3.4-1

Introduction..........................................................................................................3.4-1

Regulatory Framework........................................................................................3.4-1

Methods for Evaluating Environmental Effects ...................................................3.4-2

Affected Environment..........................................................................................3.4-5

Environmental Consequences ..........................................................................3.4-20

NEPA Summary of Potential Effects.................................................................3.4-24

CEQA Summary of Potential Impacts...............................................................3.4-27

Avoidance, Minimization, and Mitigation Strategies..........................................3.4-35

3.5 Air Quality and Greenhouse Gases.....................................................................................3.5-1

3.5.1 Introduction..........................................................................................................3.5-1

3.5.2 Regulatory Framework........................................................................................3.5-1

3.5.3 Methods for Evaluating Environmental Effects ...................................................3.5-6

3.5.4 Affected Environment..........................................................................................3.5-9

3.5.5 Environmental Consequences ..........................................................................3.5-16

3.5.6 NEPA Summary of Potential Effects.................................................................3.5-29

3.5.7 CEQA Summary of Potential Impacts...............................................................3.5-31

3.5.8 Avoidance, Minimization, and Mitigation Strategies..........................................3.5-43

3.6 Noise and Vibration .............................................................................................................3.6-1

3.6.1 Introduction..........................................................................................................3.6-1

3.6.2 Regulatory Framework........................................................................................3.6-1

3.6.3 Methods for Evaluating Environmental Effects ...................................................3.6-5

3.6.4 Affected Environment........................................................................................3.6-14

3.6.5 Environmental Consequences ..........................................................................3.6-24

3.6.6 NEPA Summary of Potential Effects.................................................................3.6-32

3.6.7 CEQA Summary of Potential Impacts...............................................................3.6-34

3.6.8 Avoidance, Minimization, and Mitigation Strategies..........................................3.6-41

3.7 Jurisdictional Waters and Wetland Resources....................................................................3.7-1

3.7.1 Introduction..........................................................................................................3.7-1

3.7.2 Regulatory Framework........................................................................................3.7-1

3.7.3 Methods for Evaluating Environmental Effects ...................................................3.7-4

3.7.4 Affected Environment..........................................................................................3.7-7

3.7.5 Environmental Consequences ..........................................................................3.7-23

3.7.6 NEPA Summary of Potential Effects.................................................................3.7-27

3.7.7 CEQA Summary of Potential Impacts...............................................................3.7-31

3.7.8 Avoidance, Minimization, and Mitigation Strategies..........................................3.7-35

3.8 Biological Resources ...........................................................................................................3.8-1

3.8.1 Introduction..........................................................................................................3.8-1
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3.8.2 Regulatory Framework........................................................................................3.8-1

3.8.3 Methods for Evaluating Environmental Effects ...................................................3.8-5

3.8.4 Affected Environment..........................................................................................3.8-8

3.8.5 Environmental Consequences ..........................................................................3.8-65

3.8.6 NEPA Summary of Potential Effects.................................................................3.8-77

3.8.7 CEQA Summary of Potential Impacts...............................................................3.8-81

3.8.8 Avoidance, Minimization, and Mitigation Strategies..........................................3.8-91

3.9 Floodplains, Hydrology, and Water Quality .........................................................................3.9-1

3.9.1 Introduction..........................................................................................................3.9-1

3.9.2 Regulatory Framework........................................................................................3.9-1

3.9.3 Methods for Evaluating Environmental Effects ...................................................3.9-6

3.9.4 Affected Environment..........................................................................................3.9-7

3.9.5 Environmental Consequences ..........................................................................3.9-33

3.9.6 NEPA Summary of Potential Effects.................................................................3.9-38

3.9.7 CEQA Summary of Potential Impacts...............................................................3.9-40

3.9.8 Avoidance, Minimization, and Mitigation Strategies..........................................3.9-52

3.10 Geology, Soils, Seismicity, and Paleontological Resources .............................................3.10-1

3.10.1 Introduction........................................................................................................3.10-1

3.10.2 Regulatory Framework......................................................................................3.10-1

3.10.3 Methods for Evaluating Environmental Effects .................................................3.10-5

3.10.4 Affected Environment........................................................................................3.10-7

3.10.5 Environmental Consequences ........................................................................3.10-54

3.10.6 NEPA Summary of Potential Effects...............................................................3.10-60

3.10.7 CEQA Summary of Potential Impacts.............................................................3.10-62

3.10.8 Avoidance, Minimization, and Mitigation Strategies........................................3.10-79

3.11 Hazards and Hazardous Materials ....................................................................................3.11-1

3.11.1 Introduction........................................................................................................3.11-1

3.11.2 Regulatory Framework......................................................................................3.11-1

3.11.3 Methods for Evaluating Environmental Effects .................................................3.11-6

3.11.4 Affected Environment........................................................................................3.11-8

3.11.5 Environmental Consequences ........................................................................3.11-44

3.11.6 NEPA Summary of Potential Effects...............................................................3.11-50

3.11.7 CEQA Summary of Potential Impacts.............................................................3.11-54

3.11.8 Avoidance, Minimization, and Mitigation Strategies........................................3.11-71

3.12 Public Utilities and Energy.................................................................................................3.12-1

3.12.1 Introduction........................................................................................................3.12-1

3.12.2 Regulatory Framework......................................................................................3.12-1

3.12.3 Methods for Evaluating Environmental Effects .................................................3.12-6

3.12.4 Affected Environment........................................................................................3.12-8

3.12.5 Environmental Consequences ........................................................................3.12-30

3.12.6 NEPA Summary of Potential Effects...............................................................3.12-39

3.12.7 CEQA Summary of Potential Impacts.............................................................3.12-41

3.12.8 Avoidance, Minimization, and Mitigation Strategies........................................3.12-53

3.13 Cultural Resources ............................................................................................................3.13-1

3.13.1 Introduction........................................................................................................3.13-1

3.13.2 Regulatory Framework......................................................................................3.13-1

3.13.3 Methods for Evaluating Environmental Effects .................................................3.13-6

3.13.4 Affected Environment......................................................................................3.13-10

3.13.5 Environmental Consequences ........................................................................3.13-47

3.13.6 NEPA Summary of Potential Effects...............................................................3.13-52

3.13.7 CEQA Summary of Potential Impacts.............................................................3.13-56

3.13.8 Avoidance, Minimization, and Mitigation Strategies........................................3.13-63

3.14 Parklands and Community Services .................................................................................3.14-1

3.14.1 Introduction........................................................................................................3.14-1
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3.14.2 Regulatory Framework......................................................................................3.14-1

3.14.3 Methods for Evaluating Environmental Effects .................................................3.14-3

3.14.4 Affected Environment........................................................................................3.14-4

3.14.5 Environmental Consequences ........................................................................3.14-19

3.14.6 NEPA Summary of Potential Effects...............................................................3.14-21

3.14.7 CEQA Summary of Potential Impacts.............................................................3.14-25

3.14.8 Avoidance, Minimization, and Mitigation Strategies........................................3.14-31

3.15 Safety and Security ...........................................................................................................3.15-1

3.15.1 Introduction........................................................................................................3.15-1

3.15.2 Regulatory Framework......................................................................................3.15-1

3.15.3 Methods for Evaluating Environmental Effects .................................................3.15-5

3.15.4 Affected Environment........................................................................................3.15-6

3.15.5 Environmental Consequences ........................................................................3.15-15

3.15.6 NEPA Summary of Potential Effects...............................................................3.15-23

3.15.7 CEQA Summary of Potential Impacts.............................................................3.15-24

3.15.8 Avoidance, Minimization, and Mitigation Strategies........................................3.15-25

3.16 Socioeconomics and Communities Affected.....................................................................3.16-1

3.16.1 Introduction........................................................................................................3.16-1

3.16.2 Regulatory Framework......................................................................................3.16-1

3.16.3 Methods for Evaluating Environmental Effects .................................................3.16-2

3.16.4 Affected Environment........................................................................................3.16-5

3.16.5 Environmental Consequences ........................................................................3.16-11

3.16.6 NEPA Summary of Potential Effects...............................................................3.16-17

3.16.7 CEQA Summary of Potential Impacts.............................................................3.16-18

3.16.8 Avoidance, Minimization, and Mitigation Strategies........................................3.16-23

3.17 Cumulative Effects.............................................................................................................3.17-1

3.17.1 Introduction........................................................................................................3.17-1

3.17.2 Regulatory Framework......................................................................................3.17-1

3.17.3 Methods for Evaluating Environmental Effects .................................................3.17-2

3.17.4 Affected Environment........................................................................................3.17-3

3.17.5 Environmental Consequences ..........................................................................3.17-3

4 Environmental Justice...................................................................................................................4-1

4.1 Introduction.............................................................................................................................4-1

4.2 Regulatory Framework ...........................................................................................................4-1

4.3 Methods for Evaluating Environmental Effects.......................................................................4-3

4.4 Affected Environment .............................................................................................................4-5

4.5 Environmental Consequences..............................................................................................4-15

4.6 Outreach to Environmental Justice Communities ................................................................4-23

4.7 Avoidance, Minimization, and Mitigation Strategies.............................................................4-24

5 Section 4(f) and 6(f) Discussion ...................................................................................................5-1

5.1 Introduction.............................................................................................................................5-1

5.2 Regulatory Framework ...........................................................................................................5-1

5.2.1 Federal ...................................................................................................................5-1

5.3 Methodology ...........................................................................................................................5-3

5.3.1 Data Sources..........................................................................................................5-3

5.4 Affected Environment .............................................................................................................5-4

5.4.1 Section 4(f)/6(f) Properties .....................................................................................5-4

5.5 Potential Impacts on Section 4(f)/6(f) Resources.................................................................5-22

5.5.1 No Build Alternative..............................................................................................5-22

5.5.2 Build Alternative Options 1, 2, and 3....................................................................5-22
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5.6 Avoidance, Minimization, and Mitigation Strategies.............................................................5-24

6 Other Statutory Considerations....................................................................................................6-1

6.1 Growth-Inducing Impacts........................................................................................................6-1

6.1.1 Western Section.....................................................................................................6-2

6.1.2 Eastern Section......................................................................................................6-2

6.2 Irreversible and Irretrievable Commitment of Resources.......................................................6-3

6.3 Relationship between Short-Term Use of the Environment and the Maintenance and 

Enhancement of Long-Term Productivity ...............................................................................6-5

6.4 Significant and Unavoidable Environmental Effects...............................................................6-6

7 Evaluation of Alternatives .............................................................................................................7-1

7.1 Preferred Alternative.............................................................................................................7-13

7.2 Environmentally Superior Alternative ...................................................................................7-13

8 Public and Agency Outreach ........................................................................................................8-1

8.1 Environmental Justice Outreach ............................................................................................8-1

8.1.1 Limited English Proficiency Outreach ....................................................................8-2

8.1.2 Americans with Disabilities Act Compliance ..........................................................8-3

8.2 Section 106 Consultation........................................................................................................8-3

8.2.1 National Historic Preservation Act, Section 106 ....................................................8-3

8.2.2 Tribal Consultation .................................................................................................8-5

8.2.3 Assembly Bill 52 Tribal Consultation......................................................................8-6

8.3 Outreach Prior to Scoping ......................................................................................................8-8

8.4 Public and Agency Scoping..................................................................................................8-11

8.4.1 Notice of Intent, Notice of Preparation, and Public Information Materials ...........8-11

8.4.2 Agency and Public Outreach................................................................................8-12

8.4.3 Public Scoping Meetings......................................................................................8-15

8.4.4 Agency and Public Scoping Comments...............................................................8-16

8.5 Tier 1/Program EIS/EIR........................................................................................................8-18

8.5.1 Outreach, Involvement, and Communications .....................................................8-18

8.5.2 Agency Meetings and Consultation......................................................................8-18

8.6 Publication and Review of the Tier 1/Program EIS/EIR .......................................................8-19

8.6.1 Notification and Circulation of the Tier 1/Program EIS/EIR .................................8-19

8.6.2 Providing Comments on the Tier 1/Program Draft EIS/EIR.................................8-21

8.6.3 Public Information Meetings and Hearings ..........................................................8-21

9 References ......................................................................................................................................9-1

10 List of Preparers and Organizations and Persons Consulted.................................................10-1

10.1 EIS/EIR Preparers ................................................................................................................10-1

10.1.1 Riverside County Transportation Commission.....................................................10-1

10.1.2 Federal Railroad Administration...........................................................................10-1

10.1.3 California Department of Transportation Division of Rail and Mass 

Transportation ......................................................................................................10-1

10.1.4 Best Best and Krieger ..........................................................................................10-1

10.1.5 HDR......................................................................................................................10-2

10.1.6 Subconsultants.....................................................................................................10-2

10.2 Organizations and Persons Consulted.................................................................................10-3

10.2.1 Aqua Caliente Band of Cahuilla Indians...............................................................10-3

10.2.2 Amtrak ..................................................................................................................10-3

10.2.3 Bureau of Land Management...............................................................................10-4

10.2.4 California Department of Fish and Wildlife...........................................................10-4
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10.2.5 California Department of Transportation, District 8..............................................10-4

10.2.6 California Office of Historic Preservation .............................................................10-4

10.2.7 City of Coachella ..................................................................................................10-4

10.2.8 City of Desert Hot Springs....................................................................................10-4

10.2.9 City of Palm Desert ..............................................................................................10-4

10.2.10 City of Indio ..........................................................................................................10-4

10.2.11 Coachella Valley Association of Governments ....................................................10-5

10.2.12 Federal Transit Administration, Region IX ...........................................................10-5

10.2.13 Gabrieleno Band of Mission Indians – Kizh Nation..............................................10-5

10.2.14 La Posta Band of Mission Indians........................................................................10-5

10.2.15 Los Angeles County Metropolitan Transportation Authority (Metro)....................10-5

10.2.16 Morongo Band of Mission Indians........................................................................10-5

10.2.17 National Park Service...........................................................................................10-5

10.2.18 San Bernardino County Transportation Authority ................................................10-5

10.2.19 San Manuel Band of Mission Indians...................................................................10-5

10.2.20 Soboba Band of Luiseno Indians .........................................................................10-6

10.2.21 South Coast Air Quality Management District......................................................10-6

10.2.22 Southern California Association of Governments ................................................10-6

10.2.23 Southern California Regional Rail Authority (Metrolink).......................................10-6

10.2.24 United States Fish and Wildlife Service ...............................................................10-6

10.2.25 United States Environmental Protection Agency, Region IX ...............................10-6
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Tables

Table ES-1.Summary of Resource Effects by Build Alternative Option ...............................................ES-17

Table 1-1. Existing Typical Driving Times for Selected Trips within Program Corridor...........................1-23

Table 1-2. Existing Travel Times Using Rail and Transit Connecting the Los Angeles Basin and 

Coachella Valley .........................................................................................................................1-25

Table 1-3. Major Events in Coachella Valley ...........................................................................................1-29

Table 2-1. Route Alternatives Studied in the 2016 Alternatives Analysis Report......................................2-5

Table 2-2. Existing and Potential Station Areas Studied in the 2016 Alternatives Analysis Report..........2-7

Table 2-3. Route Alternative Reasonability and Feasibility Summary.....................................................2-11

Table 2-4. Western Section Existing Year (2018) Daily Train Operations in the Program Corridor 

(Average One-Way Trips)...........................................................................................................2-16

Table 2-5. Eastern Section Existing Year (2018) Daily Train Operations in the Program Corridor 

(Average One-Way Trips)...........................................................................................................2-18

Table 2-6. Current Passenger Rail and Transit Services ........................................................................2-20

Table 2-7. Programmed and Planned Capacity Improvement Projects Within the Western Section 

of the Program Corridor ..............................................................................................................2-21

Table 2-8. Western Section No Build Alternative Opening Year (2024) Daily Train Operations in 

the Program Corridor (Average One-Way Trips)........................................................................2-23

Table 2-9. Western Section No Build Alternative Future Year (2044) Daily Train Operations in the 

Program Corridor (Average One-Way Trips)..............................................................................2-24

Table 2-10. Eastern Section No Build Alternative Opening Year (2024) Daily Train Operations in 

the Program Corridor (Average One-Way Trips)........................................................................2-25

Table 2-11. Eastern Section No Build Alternative Opening Year (2044) Daily Train Operations in 

the Program Corridor (Average One-Way Trips)........................................................................2-26

Table 2-12. Summary of Build Alternative Options..................................................................................2-27

Table 3.2-1. Related Resource Inputs for Land Use Resources ............................................................3.2-6

Table 3.2-2. Western Section Existing and Planned Land Uses (Build Alternative Options 1, 2, 

and 3).........................................................................................................................................3.2-7

Table 3.2-3. Eastern Section Existing and Planned Land Uses (Build Alternative Option 1).................3.2-8

Table 3.2-4. Eastern Section Existing and Planned Land Uses (Build Alternative Options 2 and 3).....3.2-9

Table 3.2-5. Summary of Agricultural Resources (Build Alternative Option 1).....................................3.2-23

Table 3.2-6. Summary of Agricultural Resources (Build Alternative Options 2 and 3).........................3.2-24

Table 3.2-7. NEPA Summary of Effects on Land Use..........................................................................3.2-31

Table 3.2-8. NEPA Summary of Effects on Agricultural Resources .....................................................3.2-33

Table 3.2-9. CEQA Summary of Impacts for Land Use and Planning and Agriculture and Forestry 

Resources ................................................................................................................................3.2-37

Table 3.3-1. Transportation Impact Methodology Framework................................................................3.3-5

Table 3.3-2. Related Resource Inputs for Transportation.......................................................................3.3-8

Table 3.3-3. Summary of Transportation Networks and Services (Build Alternative Options 1, 2, 

and 3).......................................................................................................................................3.3-11

Table 3.3-4. Existing Year (2018) Daily Train Operations in the Coachella Valley Rail Corridor 

(Average One-Way Trips)........................................................................................................3.3-21

Table 3.3-5. Existing Station Access and Amenities within the Program Corridor ...............................3.3-23

Table 3.3-6. Train Schedule and Estimate of Vehicle Traffic Generation for each Station for 

Future Year (2044)...................................................................................................................3.3-33

Table 3.3-7. Potential Roadway Impacts by Stations for Future Year (2044) ......................................3.3-35

Table 3.3-8. Auto Trip and Vehicle Miles Traveled Reduction by Horizon Year (Build Alternative 

Option 1) ..................................................................................................................................3.3-36
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Table 3.3-9. Auto Trip and Vehicle Miles Traveled Reduction by Horizon Year (Build Alternative 

Options 2 and 3).......................................................................................................................3.3-36

Table 3.3-10. Proposed Ridership Metrics by Horizon Year (Build Alternative Option 1) ....................3.3-41

Table 3.3-11. Proposed Ridership Metrics by Horizon Year (Build Alternative Options 2 and 3) ........3.3-42

Table 3.3-12. Annual Boardings and Alightings at Proposed Station Options by Horizon Year 

(Build Alternative Option 1)......................................................................................................3.3-43

Table 3.3-13. Annual Boardings and Alightings at Proposed Station Options by Horizon Year 

(Build Alternative Options 2 and 3) ..........................................................................................3.3-44

Table 3.3-14. Rail/Bus Travel Time by Horizon Year (Build Alternative Option 1) ...............................3.3-46

Table 3.3-15. Rail/Bus Travel Time by Horizon Year (Build Alternative Options 2 and 3) ...................3.3-46

Table 3.3-16. Annual Number of Accidents Eliminated by Horizon Year (Build Alternative Option 

1) ..............................................................................................................................................3.3-49

Table 3.3-17. Annual Number of Accidents Eliminated by Horizon Year (Build Alternative Options 

2 and 3)....................................................................................................................................3.3-49

Table 3.3-18. NEPA Summary of Effects on Rail Operation ................................................................3.3-51

Table 3.3-19. NEPA Summary of Effects on Roadways/Vehicular Traffic ...........................................3.3-51

Table 3.3-20. NEPA Summary of Effects on Railroad/Roadway Crossings.........................................3.3-52

Table 3.3-21. NEPA Summary of Effects on Traveler Safety ...............................................................3.3-53

Table 3.3-22. NEPA Summary of Effects on Ridership Forecast and Travel Time..............................3.3-55

Table 3.3-23. CEQA Summary of Impacts for Transportation..............................................................3.3-59

Table 3.4-1. Related Resource Inputs for Visual and Aesthetic Resources...........................................3.4-4

Table 3.4-2. Summary of Visual Resources (Build Alternative Option 1).............................................3.4-19

Table 3.4-3. Summary of Visual Resources (Build Alternative Options 2 and 3) .................................3.4-19

Table 3.4-4. NEPA Summary of Effects on Visual and Aesthetic Resources ......................................3.4-25

Table 3.4-5. CEQA Summary of Impacts for Visual Quality and Aesthetics Resources ......................3.4-29

Table 3.5-1. General Conformity De Minimis Thresholds.......................................................................3.5-7

Table 3.5-2. Related Resource Inputs for Air Quality and Greenhouse Gas Assessment.....................3.5-9

Table 3.5-3. Federal and State Attainment Status of the South Coast Air Basin and Salton Sea Air 

Basin ..........................................................................................................................................3.5-9

Table 3.5-4. California Greenhouse Gas Inventory ..............................................................................3.5-15

Table 3.5-5. Annual Vehicle Miles Traveled Estimates (No Build Alternative) .....................................3.5-17

Table 3.5-6. Locomotive Emission Estimates (Build Alternative Option 1)...........................................3.5-20

Table 3.5-7. Locomotive Emission Estimates (Build Alternative Options 2 and 3)...............................3.5-20

Table 3.5-8. Annual Ridership and Annual Vehicle Miles Traveled by Horizon Year (Build 

Alternative Option 1) ................................................................................................................3.5-21

Table 3.5-9. Annual Ridership and Annual Vehicle Miles Traveled by Horizon Year (Build 

Alternative Options 2 and 3) ....................................................................................................3.5-21

Table 3.5-10. Regional Air Quality Criteria Pollutant Estimates by Horizon Year (Build Alternative 

Option 1) ..................................................................................................................................3.5-22

Table 3.5-11. Regional Air Quality Criteria Pollutant Estimates by Horizon Year (Build Alternative 

Options 2 and 3).......................................................................................................................3.5-23

Table 3.5-12. Greenhouse Gas Emission Estimates (Build Alternative Option 1)................................3.5-27

Table 3.5-13. Greenhouse Gas Emission Estimates (Build Alternative Options 2 and 3)....................3.5-28

Table 3.5-14. NEPA Summary of Effects on Air Quality Emissions .....................................................3.5-30

Table 3.5-15. NEPA Summary of Effects on Regional Haze and Odors..............................................3.5-30

Table 3.5-16. NEPA Summary of Effects on Greenhouse Gases ........................................................3.5-31

Table 3.5-17. CEQA Summary of Impacts on Air Quality and Greenhouse Gases .............................3.5-33

Table 3.6-1. Federal Transit Administration Construction Noise Impact Limit Guidelines .....................3.6-6
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Table 3.6-2. Ground-borne Vibration Impact Criteria for General Assessment....................................3.6-11

Table 3.6-3. Related Resources Affected by Noise and Vibration .......................................................3.6-13

Table 3.6-4. Existing Year (2018) Daily Train Operations within Program Corridor (One-Way 

Trips)........................................................................................................................................3.6-17

Table 3.6-5. Ambient Noise Levels within Program Corridor from Existing Train Operations..............3.6-21

Table 3.6-6. NEPA Summary of Noise Effects .....................................................................................3.6-32

Table 3.6-7. NEPA Summary of Vibration Effects ................................................................................3.6-33

Table 3.6-8. CEQA Summary of Impacts for Noise and Vibration........................................................3.6-35

Table 3.7-1. Related Resource Inputs for Jurisdictional Waters and Wetland Resources.....................3.7-6

Table 3.7-2. Summary of Waterbodies (Build Alternative Options 1, 2, and 3)......................................3.7-8

Table 3.7-3. Summary of Wetland Types (Build Alternative Option 1)...................................................3.7-9

Table 3.7-4. Summary of Wetland Types (Build Alternative Options 2 and 3) .....................................3.7-23

Table 3.7-5. NEPA Summary of Effects on Jurisdictional Waters and Wetland Resources ................3.7-29

Table 3.7-6. CEQA Summary of Impacts for Jurisdictional Waters and Wetland Resources ..............3.7-33

Table 3.8-1. Related Resource Inputs for Biological Resources ............................................................3.8-7

Table 3.8-2. Summary of Vegetation Communities (Build Alternative Option 1)..................................3.8-23

Table 3.8-3. Summary of Vegetation Communities (Build Alternative Options 2 and 3)......................3.8-27

Table 3.8-4. Sensitive Natural Communities with Potential to Occur within the Tier 1/Program 

EIS/EIR Study Area..................................................................................................................3.8-31

Table 3.8-5. Special-Status Plant with Potential to Occur within the Tier 1/Program EIS/EIR Study 

Area..........................................................................................................................................3.8-35

Table 3.8-6. Special-Status Wildlife with Potential to Occur within the Tier 1/Program EIS/EIR 

Study Area ...............................................................................................................................3.8-53

Table 3.8-7. Number of Special-Status Plant Species with Potential to Occur within the Eastern 

Section .....................................................................................................................................3.8-68

Table 3.8-8. Number of Special-Status Wildlife Species with Potential to Occur within the Eastern 

Section .....................................................................................................................................3.8-70

Table 3.8-9. NEPA Summary of Effects on Biological Resources........................................................3.8-79

Table 3.8-10. CEQA Summary of Impacts for Biological Resources....................................................3.8-83

Table 3.9-1. Related Resource Inputs for Floodplains, Hydrology, and Water Quality ..........................3.9-7

Table 3.9-2. Summary of Floodplains (Build Alternative Options 1, 2, and 3)......................................3.9-21

Table 3.9-3. Subbasins and Watersheds (Build Alternative Options 1, 2, and 3).................................3.9-22

Table 3.9-4. Water Resource Beneficial Use Definitions......................................................................3.9-26

Table 3.9-5. Beneficial Uses of Potentially Affected Surface Waters within the Program Corridor......3.9-29

Table 3.9-6. Named Surface Waters with Pollutant Impairments (Build Alternative Options 1, 2, 

and 3).......................................................................................................................................3.9-31

Table 3.9-7. Groundwater Basins (Build Alternative Options 1, 2, and 3)............................................3.9-32

Table 3.9-8. NEPA Summary of Effects on Flooding............................................................................3.9-39

Table 3.9-9. NEPA Summary of Effects on Water Quality....................................................................3.9-39

Table 3.9-10. CEQA Summary of Impacts for Hydrology and Water Quality .......................................3.9-41

Table 3.10-1. Summary of Earthquake Faults and Zones (Build Alternative Options 1, 2, and 3).....3.10-21

Table 3.10-2. Seismic and Geologic Hazards Definitions...................................................................3.10-22

Table 3.10-3. Paleontological Sensitivity Ratings...............................................................................3.10-25

Table 3.10-4. Summary of Paleontological Sensitivity Zones (Build Alternative Option 1) ................3.10-39

Table 3.10-5. Summary of Paleontological Sensitivity Zones (Build Alternative Options 2 and 3) ....3.10-39

Table 3.10-6. Mineral Resource Zone Ratings ...................................................................................3.10-40

Table 3.10-7. Summary of Mineral Resource Zones (Build Alternative Option 1)..............................3.10-53
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Table 3.10-8. Summary of Mineral Resource Zones (Build Alternative Options 2 and 3)..................3.10-54

Table 3.10-9. NEPA Summary of Effects on Seismic and Geologic Hazards ....................................3.10-60

Table 3.10-10. NEPA Summary of Effects on Paleontological Resources.........................................3.10-61

Table 3.10-11. NEPA Summary of Effects on Mineral Resources .....................................................3.10-61

Table 3.10-12. CEQA Summary of Impacts for Geology, Soils, and Mineral Resources...................3.10-63

Table 3.11-1. Summary of Regulatory Database Listings (Build Alternative Option 1)......................3.11-23

Table 3.11-2. Summary of Regulatory Database Listings (Build Alternative Options 2 and 3)..........3.11-24

Table 3.11-3. Summary of Fire Hazard Severity Zones (Build Alternative Options 1, 2, and 3) ........3.11-41

Table 3.11-4. Summary of School Facilities (Build Alternative Option 1)...........................................3.11-43

Table 3.11-5. Summary of School Facilities (Build Alternative Options 2 and 3) ...............................3.11-44

Table 3.11-6. NEPA Summary of Effects on Hazardous Wastes and Material Sites.........................3.11-51

Table 3.11-7. NEPA Summary of Effects on Fire Hazard Zones........................................................3.11-53

Table 3.11-8. NEPA Summary of Effects on Airport Areas ................................................................3.11-53

Table 3.11-9. CEQA Summary of Impacts for Hazards and Hazardous Materials and Wildfires.......3.11-55

Table 3.12-1. Estimate of Build Alternative Ridership and Vehicle Miles Traveled Reductions per 

Day...........................................................................................................................................3.12-7

Table 3.12-2. Related Resource Inputs for Public Utilities and Energy Assessment ...........................3.12-8

Table 3.12-3. Summary of Known Utility Facilities (Build Alternative Option 1) .................................3.12-23

Table 3.12-4. Summary of Known Utility Facilities (Build Alternative Options 2 and 3) .....................3.12-24

Table 3.12-5. Summary of Landfill Facilities (Build Alternative Options 1, 2, and 3)..........................3.12-25

Table 3.12-6. 2015 United States Passenger Travel Mode and Energy Use.....................................3.12-29

Table 3.12-7. Net Operational Energy Effects (Build Alternative Option 1)........................................3.12-37

Table 3.12-8. Net Operational Energy Effects (Build Alternative Options 2 and 3)............................3.12-37

Table 3.12-9. NEPA Summary of Effects on Public Utilities ...............................................................3.12-39

Table 3.12-10. NEPA Summary of Effects on Solid Waste ................................................................3.12-40

Table 3.12-11. NEPA Summary of Effects on Energy ........................................................................3.12-40

Table 3.12-12. CEQA Summary of Impacts for Utilities and Service Systems and Energy ...............3.12-43

Table 3.13-1. Related Resource Inputs to Cultural Resources Assessment......................................3.13-10

Table 3.13-2. Summary of Known Cultural Resources Within the Eastern Section of the Tier 

1/Program EIS/EIR Cultural Study Area (Build Alternative Option 1)....................................3.13-26

Table 3.13-3. Section 106 Consulting Party Consultation Summary..................................................3.13-29

Table 3.13-4. Summary of Known Cultural Resources Within the Eastern Section of the Tier 

1/Program EIS/EIR Cultural Study Area (Build Alternative Options 2 and 3)........................3.13-35

Table 3.13-5. Section 106 Native American Consultation Summary..................................................3.13-39

Table 3.13-6. Assembly Bill 52 Native American Consultation Summary ..........................................3.13-45

Table 3.13-7. NEPA Summary of Effects on Historic Properties........................................................3.13-53

Table 3.13-8. NEPA Summary of Effects on Human Remains...........................................................3.13-55

Table 3.13-9. NEPA Summary of Effects on Tribal Cultural Resources.............................................3.13-55

Table 3.13-10. CEQA Summary of Impacts on Cultural Resources...................................................3.13-57

Table 3.14-1. Related Resource Inputs for Parklands and Community Facilities ................................3.14-4

Table 3.14-2. Summary of Parklands and Community Facilities (Build Alternative Option 1)..............3.14-5

Table 3.14-3. Summary of Parklands and Community Facilities (Build Alternative Options 2 and 

3) ..............................................................................................................................................3.14-6

Table 3.14-4. NEPA Summary of Effects on Parklands and Community Facilities............................3.14-23

Table 3.14-5. CEQA Summary of Impacts for Parklands and Community Services..........................3.14-27

Table 3.15-1. Related Resource Inputs for Safety and Security Assessment......................................3.15-6
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Table 3.15-2. Number of Train Accidents and Incidents by County, 2013–2017 .................................3.15-9

Table 3.15-3. Number of Train Highway-Rail Incidents by County, 2013–2017 (Build Alternative 

Options 1, 2, and 3)................................................................................................................3.15-11

Table 3.15-4. Number of At-Grade Incidents by City for All Railroads, 2013–2017 (Build 

Alternative Options 1, 2, and 3) .............................................................................................3.15-12

Table 3.15-5. NEPA Summary of Effects on Safety and Security ......................................................3.15-24

Table 3.16-1. Related Resource Inputs to Socioeconomic Assessment..............................................3.16-4

Table 3.16-2. NEPA Summary of Socioeconomic Effects ..................................................................3.16-18

Table 3.16-3. CEQA Summary of Impacts for Population and Housing.............................................3.16-19

Table 3.17-1. Cumulative Projects........................................................................................................3.17-5

Table 4-1. Related Resource Inputs for Environmental Justice Assessment............................................4-5

Table 4-2. Minority Population and Population below Poverty by County .................................................4-6

Table 5-1. Related Resource Inputs for Section 4(f)/6(f) Resource Assessment......................................5-4

Table 5-2. Section 4(f) Criteria...................................................................................................................5-4

Table 5-3. Potential Section 4(f) and Section 6(f) Properties within the Program Corridor.......................5-5

Table 5-4. Section 4(f)/6(f) Properties by Type (Build Alternative Option 1) .............................................5-8

Table 5-5. Section 4(f)/6(f) Properties by Type (Build Alternative Options 2 and 3)................................5-21

Table 5-6. Use of Section 4(f) Resource Summary .................................................................................5-22

Table 7-1.Summary of Resource Effects by the No Build Alternative and Build Alternative Options........7-3

Table 8-1. Summary of Pre-NEPA/CEQA Public Outreach.......................................................................8-9

Table 8-2. Agency Points of Contact .......................................................................................................8-12

Table 8-3. Public Scoping Meetings ........................................................................................................8-15

Table 8-4. Total Number of Public Scoping Comment Submissions.......................................................8-16
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Figures

Figure ES-1. Western Section of the Program Corridor (Build Alternative Options 1, 2, and 3) ............ES-5

Figure ES-2. Eastern Section of the Program Corridor (Build Alternative Option 1) ..............................ES-7

Figure ES-3. Eastern Section of the Program Corridor (Build Alternative Options 2 and 3) ..................ES-9

Figure 1-1. Alternatives Analysis Study Area (Western and Eastern Sections) ........................................1-5

Figure 1-2. Existing Intercity Rail and Regional Bus Services Connecting the Los Angeles Basin 

and Coachella Valley ..................................................................................................................1-11

Figure 1-3. Existing Intercity Bus Service Connecting the Los Angeles Basin and Coachella 

Valley...........................................................................................................................................1-13

Figure 1-4. Existing Key Program Corridor Highways Connecting the Los Angeles Basin and 

Coachella Valley .........................................................................................................................1-17

Figure 1-5. Existing Areas of Recurring Weekday Road Congestion within Program Corridor...............1-21

Figure 1-6. Interstate 10 Corridor San Gorgonio Pass Detour Alternatives ............................................1-27

Figure 2-1. Alternatives Analysis Process .................................................................................................2-2

Figure 2-2. Program Corridor Route Alternatives Considered in the Alternatives Analysis ......................2-3

Figure 2-3. Alternatives Selection Process Flow Chart .............................................................................2-9

Figure 2-4. Western Section of the Program Corridor (Build Alternative Options 1, 2, and 3)................2-29

Figure 2-5. Eastern Section of the Program Corridor (Build Alternative Option 1)..................................2-31

Figure 2-6. Eastern Section of the Program Corridor (Build Alternative Options 2 and 3)......................2-33

Figure 3.2-1. Farmland Mapping and Monitoring Program Classifications within the Tier 

1/Program EIS/EIR...................................................................................................................3.2-11

Figure 3.3-1. Existing Key Corridor Highways within the Program Corridor.........................................3.3-13

Figure 3.3-2. Existing Intercity Rail and Regional Bus Service within the Program Corridor ...............3.3-15

Figure 3.3-3. Host Railroads and Additional Operators within the Program Corridor...........................3.3-19

Figure 3.4-1. Visual Resources within the Tier 1/Program EIS/EIR Study Area ....................................3.4-7

Figure 3.5-1. Air Basins Traversed by the Program Corridor ...............................................................3.5-13

Figure 3.6-1. Federal Transit Administration Noise Impact Criteria........................................................3.6-8

Figure 3.6-2. Increase in Cumulative Noise Levels Allowed by Criteria .................................................3.6-9

Figure 3.7-1. National Wetland Inventory-Mapped Wetlands within the Tier 1/Program EIS/EIR 

Study Area ...............................................................................................................................3.7-11

Figure 3.8-1. Vegetation Communities within the Tier 1/Program EIS/EIR Study Area .........................3.8-9

Figure 3.8-2. Critical Habitat within the Tier 1/Program EIS/EIR Study Area.......................................3.8-39

Figure 3.9-1. Federal Emergency Management Agency Flood Areas within the Tier 1/Program 

EIS/EIR Study Area....................................................................................................................3.9-9

Figure 3.9-2. Subbasins and Watersheds within the Tier 1/Program EIS/EIR Study Area ..................3.9-23

Figure 3.10-1. Potential Seismic and Geologic Hazard Zones within the Tier 1/Program EIS/EIR 

Study Area ...............................................................................................................................3.10-9

Figure 3.10-2. Paleontological Sensitivity within the Tier 1/Program EIS/EIR Study Area.................3.10-27

Figure 3.10-3. Mineral Resource Zones within the Tier 1/Program EIS/EIR Study Area ...................3.10-41

Figure 3.11-1. Hazardous Waste and Materials Sites within the Tier 1/Program EIS/EIR Study 

Area........................................................................................................................................3.11-11

Figure 3.11-2. Fire Hazard and Airport Zones within the Tier 1/Program EIS/EIR Study Area..........3.11-29

Figure 3.12-1. Known Utilities within the Tier 1/Program EIS/EIR Study Area...................................3.12-11

Figure 3.13-1. Known Historical Resource Sites within the Tier 1/Program EIS/EIR Cultural Study 

Area........................................................................................................................................3.13-13

Figure 3.14-1. Parklands and Community Facilities within the Tier 1/Program EIS/EIR Study Area...3.14-7
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Figure 4-1. Percentage of Minority Population within Tier 1/Program EIS/EIR Study Area Census 

Block Groups.................................................................................................................................4-7

Figure 4-2. Environmental Justice Population within the Tier 1/Program EIS/EIR Study Area per 

Minority Threshold.........................................................................................................................4-9

Figure 4-3. Percentage of Low-Income Population within the Tier 1/Program EIS/EIR Study Area 

Census Block Groups .................................................................................................................4-11

Figure 4-4. Environmental Justice Populations within the Tier 1/Program EIS/EIR Study Area per 

Income Threshold .......................................................................................................................4-13

Figure 5-1. Section 4(f)/6(f) Resources within the Tier 1/Program EIS/EIR Study Area ...........................5-9
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Appendices

Appendix A. Notice of Intent/Notice of Preparation

Appendix B. Land Use and Planning Technical Memorandum

Appendix C. Transportation Impact Technical Memorandum

Appendix D. Visual and Aesthetics Technical Memorandum

Appendix E. Air Quality and Greenhouse Gas Technical Memorandum

Appendix F. Noise and Vibration Technical Memorandum

Appendix G. Biological and Wetland Resources Technical Memorandum

Appendix H. Cultural, Historic, and Tribal Resources Technical Memorandum

Appendix I. Socioeconomics Technical Memorandum
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Abbreviations/Acronyms

AA alternatives analysis

AB Assembly Bill

ACS American Community Survey

AGR agriculture supply

ALUC Airport Land Use Commission

ALUCP Airport Land Use Compatibility Plan

AP Alquist-Priolo

ARB Air Resources Board

ASTM ASTM International

BLM Bureau of Land Management

BMP best management practice

BTU British thermal unit

CAAQS California Ambient Air Quality Standards

CalEPA California Environmental Protection Agency

Caltrans California Department of Transportation

CCAA California Clean Air Act

CCR California Code of Regulations

CDFW California Department of Fish and Wildlife

CEC California Energy Commission

CEQ Council on Environmental Quality

CEQA California Environmental Quality Act

CERCLA Comprehensive Environmental Response, 

Compensation, and Liability Act

CESA California Endangered Species Act

CFR Code of Federal Regulations

CGS California Geological Survey

CO carbon monoxide

COLD cold freshwater habitats

CPUC California Public Utilities Commission

CRHR California Register of Historical Resources

CRPR California Rare Plant Rank

CWA Clean Water Act

dB decibel
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dBA A weighted decibel

EIA Energy Information Administration

EIR Environmental Impact Report

EIS Environmental Impact Statement

EJ environmental justice 

EO Executive Order

EPA Environmental Protection Agency

FCAA Federal Clean Air Act

FEMA Federal Emergency Management Agency

FESA Federal Endangered Species Act

FHWA Federal Highway Administration

FPS Fully Protected Species

FR Federal Register

FRA Federal Railroad Administration

FRSH freshwater replenishment

FTA Federal Transit Administration

GHG greenhouse gas

GIS geographic information system

GPSCVB Greater Palm Springs Convention and Visitors Bureau

GWR groundwater recharge

HCP Housing and Urban Development Consolidated Plan

I Interstate

IND industrial service supply

LAUS Los Angeles Union Station

Ldn day-night average noise level

Leq equivalent sound level

LOSSAN Los Angeles-San Diego-San Luis Obispo

LRA local responsibility area

LUST leaking underground storage tank

LWCF Land and Water Conservation Fund

Metro Los Angeles County Metropolitan Transportation 

Authority

MMBTU million British thermal unit

MPO metropolitan planning organization
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MRZ Mineral Resource Zone

MS4 Municipal Separate Storm Sewer System

MSHCP Multiple Species Habitat Conservation Plan

MUN municipal and domestic water supply

MUTCD Manual on Uniform Traffic Control Devices

NAAQS National Ambient Air Quality Standards

NAC noise abatement criteria

NCCP Natural Communities Conservation Planning

NEPA National Environmental Policy Act

NHPA National Historic Preservation Act

NO2 nitrogen dioxide

NOA Notice of Availability

NOC Notice of Completion

NOI Notice of Intent

NOP Notice of Preparation

NOx nitrogen oxide

NPDES National Pollutant Discharge Elimination System

NPL National Priorities List

NRHP National Register of Historic Places

NWI National Wetland Inventory

O3 ozone

OHP Office of Historic Preservation

Pb lead

PeMS Performance Measurement System

PM10 particulate matter 10 microns or less

PM2.5 particulate matter 2.5 microns or less

POW hydropower generation

PPV peak particle velocity

PRC Public Resource Code

PROC industrial process supply

Program Coachella Valley-San Gorgonio Pass Rail Corridor 

Service Program

Program Corridor Coachella Valley-San Gorgonio Pass Rail Corridor

PTC positive train control
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RARE rare, threatened, or endangered species

RCRA Resource Conservation and Recovery Act of 1976

RCTC Riverside County Transportation Commission

REC1 water contact recreation

REC2 noncontact water recreation

ROW right-of-way

RSIA Rail Safety Improvement Act of 2008

RTP Regional Transportation Plan

RWQCB Regional Water Quality Control Board

SB Senate Bill

SBCTA San Bernardino County Transportation Authority

SCAB South Coast Air Basin

SCAG Southern California Association of Governments

SCAQMD South Coast Air Quality Management District

SCRRA Southern California Regional Rail Authority

SCS Sustainable Communities Strategy

SDP Service Development Plan

SHPO State Historic Preservation Officer

SO2 sulfur dioxide

SOx sulfur oxide

SR State Route

SRA State Responsibility Area

SSAB Salton Sea Air Basin

SSC Species of Special Concern

STRACNET Strategic Rail Corridor Network

SWRCB State Water Resources Control Board

TCR tribal cultural resource

THPO Tribal Heritage Preservation Officer

TMDL total maximum daily load

TSCA Toxic Substance Control Act

U.S. United States

UBC Uniform Building Code

Uniform Act Uniform Relocation Assistance and Real Property 

Acquisition Policies Act of 1970
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UP Union Pacific Railroad

USACE United States Army Corps of Engineers

USC United States Code

USDOT United States Department of Transportation

USFWS United States Fish and Wildlife Service

USGS United States Geological Survey

UST underground storage tank

VdB velocity in decibels

VMT vehicle miles traveled

VOC volatile organic compound

WARM warm freshwater habitat

WET wetland habitat

WILD wildlife habitat
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